Freeman Dyson says: let's look for life in the outer solar system
Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
Telescopes
Educator Roy Gould and researcher Curtis Wong show a sneak preview of Microsoft’s WorldWide Telescope, which compiles images from telescopes and satellites to build a comprehensive, interactive view of our universe.
Can we predict the end of the world ( Armageddon) ?
Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark consequences from our scientific and technological development.
Stephen Petranek counts down to Armageddon
How might the world end? Stephen Petranek lays out the challenges that face us in the drive to preserve the human race. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild?
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Is there anyone out there?
Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
Educator Roy Gould and researcher Curtis Wong show a sneak preview of Microsoft’s WorldWide Telescope, which compiles images from telescopes and satellites to build a comprehensive, interactive view of our universe.
Stephen Petranek counts down to Armageddon
How might the world end? Stephen Petranek lays out the challenges that face us in the drive to preserve the human race. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild?
http://www.ted.com/talks/stephen_petranek_counts_down_to_armageddon.html